Triple
T21568559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London & South East sector of British Rail |
E532224
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | passenger rail operating sector |
C44977
|
CONCEPT FINISHED |
How this triple was built (1 step)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: passenger rail operating sector Context triple: [London & South East sector of British Rail, instanceOf, passenger rail operating sector]
-
A.
passenger rail service
Passenger rail service is a transportation system that operates trains to carry people between locations on a scheduled basis, typically offering various classes of comfort and amenities.
-
B.
rail transit
Rail transit is a public transportation system that moves passengers or freight along fixed steel tracks using trains, subways, trams, or light rail vehicles, typically in urban or intercity corridors.
-
C.
rail transportation infrastructure
Rail transportation infrastructure encompasses the physical and organizational systems—such as tracks, stations, signaling, power supply, and related facilities—required to support the safe and efficient movement of trains and rail-based services.
-
D.
public railway
A public railway is a government- or publicly-owned rail transport system that provides scheduled passenger and/or freight services accessible to the general population, typically operating on standardized tracks and infrastructure.
-
E.
commuter rail infrastructure
Commuter rail infrastructure comprises the physical and operational systems—such as tracks, stations, signaling, power, and maintenance facilities—designed to support frequent, reliable passenger train service between suburbs and urban centers.
- F. None of above. chosen
Provenance (1 batch)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
Created at: April 16, 2026, 6:30 p.m.